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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.38 by root, Mon Jan 15 02:42:15 2007 UTC vs.
Revision 1.74 by root, Fri Apr 11 21:09:52 2008 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 7 *
8 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version. 11 * (at your option) any later version.
12 12 *
13 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details. 16 * GNU General Public License for more details.
17 17 *
18 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
21 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 The authors can be reached via e-mail at <crossfire@schmorp.de>
23*/ 22 */
24 23
25/* 24/*
26 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
27 */ 26 */
28 27
36#include <global.h> 35#include <global.h>
37#include <funcpoint.h> 36#include <funcpoint.h>
38#include <material.h> 37#include <material.h>
39 38
40#include <glib.h> 39#include <glib.h>
40
41refcnt_base::refcnt_t refcnt_dummy;
42ssize_t slice_alloc;
43rand_gen rndm;
44
45void
46tausworthe_random_generator::seed (uint32_t seed)
47{
48 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
49 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
50 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
51 state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
52
53 for (int i = 11; --i; )
54 operator ()();
55}
56
57uint32_t
58tausworthe_random_generator::next ()
59{
60 state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
61 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
62 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
63 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
64
65 return state [0] ^ state [1] ^ state [2] ^ state [3];
66}
67
68uint32_t
69tausworthe_random_generator::get_range (uint32_t num)
70{
71 return (next () * (uint64_t)num) >> 32U;
72}
73
74// return a number within (min .. max)
75int
76tausworthe_random_generator::get_range (int r_min, int r_max)
77{
78 return r_min + get_range (max (r_max - r_min + 1, 0));
79}
41 80
42/* 81/*
43 * The random functions here take luck into account when rolling random 82 * The random functions here take luck into account when rolling random
44 * dice or numbers. This function has less of an impact the larger the 83 * dice or numbers. This function has less of an impact the larger the
45 * difference becomes in the random numbers. IE, the effect is lessened 84 * difference becomes in the random numbers. IE, the effect is lessened
52 * Roll a random number between min and max. Uses op to determine luck, 91 * Roll a random number between min and max. Uses op to determine luck,
53 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. 92 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
54 * Generally, op should be the player/caster/hitter requesting the roll, 93 * Generally, op should be the player/caster/hitter requesting the roll,
55 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 94 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
56 */ 95 */
57
58int 96int
59random_roll (int min, int max, const object *op, int goodbad) 97random_roll (int r_min, int r_max, const object *op, int goodbad)
60{ 98{
61 int omin, diff, luck, base, ran; 99 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
62 100
63 omin = min; 101 if (r_max < r_min)
64 diff = max - min + 1;
65 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
66
67 if (max < 1 || diff < 1)
68 { 102 {
69 LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); 103 LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
104 return r_min;
105 }
106
107 if (op->type == PLAYER)
108 {
109 int luck = op->stats.luck;
110
111 if (rndm (base) < min (10, abs (luck)))
112 {
113 //TODO: take luck into account
114 }
115 }
116
117 return rndm (r_min, r_max);
118}
119
120/*
121 * This is a 64 bit version of random_roll above. This is needed
122 * for exp loss calculations for players changing religions.
123 */
124sint64
125random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
126{
127 sint64 omin = min;
128 sint64 diff = max - min + 1;
129 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
130
131 if (diff < 0)
132 {
133 LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
70 return (min); /* avoids a float exception */ 134 return (min); /* avoids a float exception */
71 } 135 }
72 136
73 ran = RANDOM (); 137 /*
138 * Make a call to get two 32 bit unsigned random numbers, and just to
139 * a little bitshifting.
140 */
141 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
74 142
75 if (op->type != PLAYER) 143 if (op->type != PLAYER)
76 return ((ran % diff) + min); 144 return ((ran % diff) + min);
77 145
78 luck = op->stats.luck; 146 int luck = op->stats.luck;
147
79 if (RANDOM () % base < MIN (10, abs (luck))) 148 if (rndm (base) < MIN (10, abs (luck)))
80 { 149 {
81 /* we have a winner */ 150 /* we have a winner */
82 ((luck > 0) ? (luck = 1) : (luck = -1)); 151 ((luck > 0) ? (luck = 1) : (luck = -1));
83 diff -= luck; 152 diff -= luck;
84 if (diff < 1) 153 if (diff < 1)
85 return (omin); /*check again */ 154 return (omin); /*check again */
155
86 ((goodbad) ? (min += luck) : (diff)); 156 ((goodbad) ? (min += luck) : (diff));
87 157
88 return (MAX (omin, MIN (max, (ran % diff) + min))); 158 return (MAX (omin, MIN (max, (ran % diff) + min)));
89 } 159 }
160
90 return ((ran % diff) + min); 161 return ran % diff + min;
91}
92
93/*
94 * This is a 64 bit version of random_roll above. This is needed
95 * for exp loss calculations for players changing religions.
96 */
97
98sint64
99random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
100{
101 sint64 omin, diff, luck, ran;
102 int base;
103
104 omin = min;
105 diff = max - min + 1;
106 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
107
108 if (max < 1 || diff < 1)
109 {
110 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
111 return (min); /* avoids a float exception */
112 }
113
114 /* Don't know of a portable call to get 64 bit random values.
115 * So make a call to get two 32 bit random numbers, and just to
116 * a little byteshifting. Do make sure the first one is only
117 * 32 bit, so we don't get skewed results
118 */
119 ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32);
120
121 if (op->type != PLAYER)
122 return ((ran % diff) + min);
123
124 luck = op->stats.luck;
125 if (RANDOM () % base < MIN (10, abs (luck)))
126 {
127 /* we have a winner */
128 ((luck > 0) ? (luck = 1) : (luck = -1));
129 diff -= luck;
130 if (diff < 1)
131 return (omin); /*check again */
132 ((goodbad) ? (min += luck) : (diff));
133
134 return (MAX (omin, MIN (max, (ran % diff) + min)));
135 }
136 return ((ran % diff) + min);
137} 162}
138 163
139/* 164/*
140 * Roll a number of dice (2d3, 4d6). Uses op to determine luck, 165 * Roll a number of dice (2d3, 4d6). Uses op to determine luck,
141 * If goodbad is non-zero, luck increases the roll, if zero, it decreases. 166 * If goodbad is non-zero, luck increases the roll, if zero, it decreases.
142 * Generally, op should be the player/caster/hitter requesting the roll, 167 * Generally, op should be the player/caster/hitter requesting the roll,
143 * not the recipient (ie, the poor slob getting hit). 168 * not the recipient (ie, the poor slob getting hit).
144 * The args are num D size (ie 4d6) [garbled 20010916] 169 * The args are num D size (ie 4d6) [garbled 20010916]
145 */ 170 */
146
147int 171int
148die_roll (int num, int size, const object *op, int goodbad) 172die_roll (int num, int size, const object *op, int goodbad)
149{ 173{
150 int min, diff, luck, total, i, gotlucky, base, ran; 174 int min, luck, total, i, gotlucky;
151 175
152 diff = size; 176 int diff = size;
153 min = 1; 177 min = 1;
154 luck = total = gotlucky = 0; 178 luck = total = gotlucky = 0;
155 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ 179 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
180
156 if (size < 2 || diff < 1) 181 if (size < 2 || diff < 1)
157 { 182 {
158 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); 183 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
159 return (num); /* avoids a float exception */ 184 return num; /* avoids a float exception */
160 } 185 }
161 186
162 if (op->type == PLAYER) 187 if (op->type == PLAYER)
163 luck = op->stats.luck; 188 luck = op->stats.luck;
164 189
165 for (i = 0; i < num; i++) 190 for (i = 0; i < num; i++)
166 { 191 {
167 if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) 192 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
168 { 193 {
169 /* we have a winner */ 194 /* we have a winner */
170 gotlucky++; 195 gotlucky++;
171 ((luck > 0) ? (luck = 1) : (luck = -1)); 196 ((luck > 0) ? (luck = 1) : (luck = -1));
172 diff -= luck; 197 diff -= luck;
173 if (diff < 1) 198 if (diff < 1)
174 return (num); /*check again */ 199 return (num); /*check again */
175 ((goodbad) ? (min += luck) : (diff)); 200 ((goodbad) ? (min += luck) : (diff));
176 ran = RANDOM ();
177 total += MAX (1, MIN (size, (ran % diff) + min)); 201 total += MAX (1, MIN (size, rndm (diff) + min));
178 } 202 }
179 else 203 else
180 {
181 total += RANDOM () % size + 1; 204 total += rndm (size) + 1;
182 }
183 } 205 }
206
184 return (total); 207 return total;
185}
186
187/*
188 * Another convenience function. Returns a number between min and max.
189 * It is suggested one use these functions rather than RANDOM()%, as it
190 * would appear that a number of off-by-one-errors exist due to improper
191 * use of %. This should also prevent SIGFPE.
192 */
193
194int
195rndm (int min, int max)
196{
197 int diff;
198
199 diff = max - min + 1;
200 if (max < 1 || diff < 1)
201 return (min);
202
203 return (RANDOM () % diff + min);
204}
205
206/* decay and destroy perishable items in a map */
207void
208maptile::decay_objects ()
209{
210 if (!spaces)
211 return;
212
213 for (mapspace *ms = spaces + size (); ms-- > spaces; )
214 for (object *above, *op = ms->bot; op; op = above)
215 {
216 above = op->above;
217
218 bool destroy = 0;
219
220 // do not decay anything above unique floor tiles (yet :)
221 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
222 break;
223
224 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
225 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
226 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
227 || QUERY_FLAG (op, FLAG_UNIQUE)
228 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
229 || QUERY_FLAG (op, FLAG_UNPAID)
230 || op->is_alive ())
231 ; // do not decay
232 else if (op->is_weapon ())
233 {
234 op->stats.dam--;
235 if (op->stats.dam < 0)
236 destroy = 1;
237 }
238 else if (op->is_armor ())
239 {
240 op->stats.ac--;
241 if (op->stats.ac < 0)
242 destroy = 1;
243 }
244 else if (op->type == FOOD)
245 {
246 op->stats.food -= rndm (5, 20);
247 if (op->stats.food < 0)
248 destroy = 1;
249 }
250 else
251 {
252 int mat = op->material;
253
254 if (mat & M_PAPER
255 || mat & M_LEATHER
256 || mat & M_WOOD
257 || mat & M_ORGANIC
258 || mat & M_CLOTH
259 || mat & M_LIQUID
260 || (mat & M_IRON && rndm (1, 5) == 1)
261 || (mat & M_GLASS && rndm (1, 2) == 1)
262 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
263 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
264 || (mat & M_ICE && temp > 32))
265 destroy = 1;
266 }
267
268 /* adjust overall chance below */
269 if (destroy && rndm (0, 1))
270 op->destroy ();
271 }
272} 208}
273 209
274/* convert materialname to materialtype_t */ 210/* convert materialname to materialtype_t */
275 211
276materialtype_t * 212materialtype_t *
277name_to_material (const char *name) 213name_to_material (const shstr &name)
278{ 214{
279 materialtype_t *mt, *nmt; 215 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
216 if (name == mt->name)
217 return mt;
280 218
281 mt = NULL;
282 for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
283 {
284 if (strcmp (name, nmt->name) == 0)
285 {
286 mt = nmt;
287 break;
288 }
289 }
290 return mt; 219 return 0;
291} 220}
292 221
293/* when doing transmutation of objects, we have to recheck the resistances, 222/* when doing transmutation of objects, we have to recheck the resistances,
294 * as some that did not apply previously, may apply now. 223 * as some that did not apply previously, may apply now.
295 */ 224 */
296
297void 225void
298transmute_materialname (object *op, const object *change) 226transmute_materialname (object *op, const object *change)
299{ 227{
300 materialtype_t *mt; 228 materialtype_t *mt;
301 int j; 229 int j;
310 return; 238 return;
311 239
312 mt = name_to_material (op->materialname); 240 mt = name_to_material (op->materialname);
313 if (!mt) 241 if (!mt)
314 { 242 {
315 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); 243 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
316 return; 244 return;
317 } 245 }
318 246
319 for (j = 0; j < NROFATTACKS; j++) 247 for (j = 0; j < NROFATTACKS; j++)
320 if (op->resist[j] == 0 && change->resist[j] != 0) 248 if (op->resist[j] == 0 && change->resist[j] != 0)
331void 259void
332set_materialname (object *op, int difficulty, materialtype_t *nmt) 260set_materialname (object *op, int difficulty, materialtype_t *nmt)
333{ 261{
334 materialtype_t *mt, *lmt; 262 materialtype_t *mt, *lmt;
335 263
336#ifdef NEW_MATERIAL_CODE
337 int j;
338#endif
339
340 if (op->materialname != NULL) 264 if (op->materialname != NULL)
341 return; 265 return;
342 266
343
344
345 if (nmt == NULL) 267 if (nmt == NULL)
346 { 268 {
347 lmt = NULL; 269 lmt = NULL;
348#ifndef NEW_MATERIAL_CODE 270
349 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) 271 for (mt = materialt; mt && mt->next; mt = mt->next)
350 { 272 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
351 if (op->material & mt->material) 273 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
352 { 274 {
353 lmt = mt; 275 lmt = mt;
276 if (!(op->is_weapon () || op->is_armor ()))
354 break; 277 break;
355 } 278 }
356 }
357
358#else
359 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
360 {
361 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
362 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
363 {
364 lmt = mt;
365 if (!(op->is_weapon () || op->is_armor ()))
366 break;
367 }
368 }
369#endif
370 } 279 }
371 else 280 else
372 {
373 lmt = nmt; 281 lmt = nmt;
374 }
375 282
376 if (lmt != NULL) 283 if (lmt != NULL)
377 { 284 {
378#ifndef NEW_MATERIAL_CODE
379 op->materialname = lmt->name;
380 return;
381#else
382
383 if (op->stats.dam && op->is_weapon ()) 285 if (op->stats.dam && op->is_weapon ())
384 { 286 {
385 op->stats.dam += lmt->damage; 287 op->stats.dam += lmt->damage;
386 if (op->stats.dam < 1) 288 if (op->stats.dam < 1)
387 op->stats.dam = 1; 289 op->stats.dam = 1;
388 } 290 }
291
389 if (op->stats.sp && op->type == BOW) 292 if (op->stats.sp && op->type == BOW)
390 op->stats.sp += lmt->sp; 293 op->stats.sp += lmt->sp;
391 if (op->stats.wc && op->is_weapon ()) 294 if (op->stats.wc && op->is_weapon ())
392 op->stats.wc += lmt->wc; 295 op->stats.wc += lmt->wc;
393 if (op->is_armor ()) 296 if (op->is_armor ())
394 { 297 {
395 if (op->stats.ac) 298 if (op->stats.ac)
396 op->stats.ac += lmt->ac; 299 op->stats.ac += lmt->ac;
300
397 for (j = 0; j < NROFATTACKS; j++) 301 for (int j = 0; j < NROFATTACKS; j++)
398 if (op->resist[j] != 0) 302 if (op->resist[j] != 0)
399 { 303 {
400 op->resist[j] += lmt->mod[j]; 304 op->resist[j] += lmt->mod[j];
401 if (op->resist[j] > 100) 305 if (op->resist[j] > 100)
402 op->resist[j] = 100; 306 op->resist[j] = 100;
403 if (op->resist[j] < -100) 307 if (op->resist[j] < -100)
404 op->resist[j] = -100; 308 op->resist[j] = -100;
405 } 309 }
406 } 310 }
311
407 op->materialname = add_string (lmt->name); 312 op->materialname = lmt->name;
408 /* dont make it unstackable if it doesn't need to be */ 313 /* dont make it unstackable if it doesn't need to be */
409 if (op->is_weapon () || op->is_armor ()) 314 if (op->is_weapon () || op->is_armor ())
410 { 315 {
411 op->weight = (op->weight * lmt->weight) / 100; 316 op->weight = (op->weight * lmt->weight) / 100;
412 op->value = (op->value * lmt->value) / 100; 317 op->value = (op->value * lmt->value) / 100;
413 } 318 }
414#endif
415 } 319 }
416} 320}
417 321
418/* 322/*
419 * Strip out the media tags from a String. 323 * Strip out the media tags from a String.
514 * a 'list' for the purposes here, is a string of items, seperated by commas, except 418 * a 'list' for the purposes here, is a string of items, seperated by commas, except
515 * for the last entry, which has an 'and' before it, and a full stop (period) after it. 419 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
516 * This function will also strip all trailing non alphanumeric characters. 420 * This function will also strip all trailing non alphanumeric characters.
517 * It does not insert an oxford comma. 421 * It does not insert an oxford comma.
518 */ 422 */
519
520void 423void
521make_list_like (char *input) 424make_list_like (char *input)
522{ 425{
523 char *p, tmp[MAX_BUF]; 426 char *p, tmp[MAX_BUF];
524 int i; 427 int i;
555fork_abort (const char *msg) 458fork_abort (const char *msg)
556{ 459{
557 if (!fork ()) 460 if (!fork ())
558 { 461 {
559 signal (SIGABRT, SIG_DFL); 462 signal (SIGABRT, SIG_DFL);
463 // try to put corefiles into a subdirectory, if existing, to allow
464 // an administrator to reduce the I/O load.
465 chdir ("cores");
560 abort (); 466 abort ();
561 } 467 }
562 468
563 LOG (llevError, "fork abort: %s\n", msg); 469 LOG (llevError, "fork abort: %s\n", msg);
564} 470}
568 void *ptr = g_slice_alloc (n); 474 void *ptr = g_slice_alloc (n);
569 475
570 if (!ptr) 476 if (!ptr)
571 throw std::bad_alloc (); 477 throw std::bad_alloc ();
572 478
479 slice_alloc += n;
573 return ptr; 480 return ptr;
574} 481}
575 482
576void *salloc_ (int n, void *src) throw (std::bad_alloc) 483void *salloc_ (int n, void *src) throw (std::bad_alloc)
577{ 484{
583 memset (ptr, 0, n); 490 memset (ptr, 0, n);
584 491
585 return ptr; 492 return ptr;
586} 493}
587 494
495/******************************************************************************/
496
497#if DEBUG_SALLOC
498
499#define MAGIC 0xa1b2c35543deadLL
500
501void *g_slice_alloc (unsigned long size)
502{
503 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
504 *p++ = size ^ MAGIC;
505 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
506 return (void *)p;
507}
508
509void *g_slice_alloc0 (unsigned long size)
510{
511 return memset (g_slice_alloc (size), 0, size);
512}
513
514void g_slice_free1 (unsigned long size, void *ptr)
515{
516 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
517 if (expect_true (ptr))
518 {
519 unsigned long *p = (unsigned long *)ptr;
520 unsigned long s = *--p ^ MAGIC;
521
522 if (size != (unsigned long)(*p ^ MAGIC))
523 {
524 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
525 abort ();
526 }
527
528 *p = MAGIC;
529
530 (g_slice_free1)(s + sizeof (unsigned long), p);
531 }
532}
533
534#endif
535
536/******************************************************************************/
537
588void assign (char *dst, const char *src, int maxlen) 538void assign (char *dst, const char *src, int maxlen)
589{ 539{
590 if (!src) 540 if (!src)
591 src = ""; 541 src = "";
592 542
607 } 557 }
608 else 558 else
609 memcpy (dst, src, len + 1); 559 memcpy (dst, src, len + 1);
610} 560}
611 561
562const char *
563format (const char *format, ...)
564{
565 static dynbuf_text buf;
566
567 buf.clear ();
568
569 va_list ap;
570 va_start (ap, format);
571 buf.vprintf (format, ap);
572 va_end (ap);
573
574 return buf;
575}
576
612tstamp now () 577tstamp now ()
613{ 578{
614 struct timeval tv; 579 struct timeval tv;
615 580
616 gettimeofday (&tv, 0); 581 gettimeofday (&tv, 0);
625 590
626 int diff = (b - a) & 7; 591 int diff = (b - a) & 7;
627 return diff <= 1 || diff >= 7; 592 return diff <= 1 || diff >= 7;
628} 593}
629 594
595/* crc32 0xdebb20e3 table and supplementary functions. */
596extern const uint32_t crc_32_tab[256] =
597{
598 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
599 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
600 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
601 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
602 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
603 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
604 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
605 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
606 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
607 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
608 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
609 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
610 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
611 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
612 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
613 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
614 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
615 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
616 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
617 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
618 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
619 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
620 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
621 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
622 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
623 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
624 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
625 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
626 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
627 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
628 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
629 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
630 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
631 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
632 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
633 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
634 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
635 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
636 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
637 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
638 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
639 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
640 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
641 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
642 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
643 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
644 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
645 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
646 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
647 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
648 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
649 0x2d02ef8dL
650};
651
652void thread::start (void *(*start_routine)(void *), void *arg)
653{
654 sigset_t fullsigset, oldsigset;
655 sigfillset (&fullsigset);
656
657 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
658
659 if (pthread_create (&id, 0, start_routine, arg))
660 cleanup ("unable to create a new thread");
661
662 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
663}

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